Snake River: Difference between revisions

The {{convert|107500|mi2|km2|adj=on}}<ref name="USGS"/> Snake River watershed drains about 87&nbsp;percent of the state of Idaho, 18&nbsp;percent of Washington and 17&nbsp;percent of Oregon, in addition to small portions of Wyoming, [[Utah]] and [[Nevada]].<ref>{{cite web|url=https://www.deq.idaho.gov/water-quality/surface-water/total-maximum-daily-loads/snake-river-hells-canyon-subbasins/|title=Snake River – Hells Canyon Subbasins|publisher=Idaho Department of Environmental Quality|accessdate=February 2, 2024}}</ref> From the [[Lost Trail Pass]] north of [[Salmon, Idaho]] to Tri-Basin Divide south of [[Afton, Wyoming]], the eastern edge of the Snake River watershed follows the [[Continental Divide of the Americas|Continental Divide]]; as the Continental Divide also forms the Idaho–Montana border south of Lost Trail Pass, the Snake watershed touches Montana for a long distance, but does not extend into it.<ref name="TNM"/> The Snake drains by far the largest area of any Columbia River tributary, making up about 40&nbsp;percent of the entire Columbia River watershed.<ref name="Benke and Cushing 2005"/>{{rp|602}} Compared with the Columbia above their confluence, the Snake River is about {{convert|180|mi|km}} longer{{#tag:ref|The Columbia River above the Snake has a length of approximately {{convert|900|mi|km}}.<ref name="TNM"/>|group=n}} and its watershed is aboutapproximately fourthe percentsame largersize,<ref name="USGS"/><ref>{{cite nameweb|url="https://nwis.waterdata.usgs.gov/nwis/inventory/?site_no=12514000&agency_cd=USGS|title=USGS Gage #12514000 Columbia RiveratPriestPasco, Rapids"WA|publisher=U.S. Geological Survey|work=National Water Information System|accessdate=April 28, 2024}}</ref> though the Columbia carries more than twice the volume of water.<ref name=iceharbordam/><ref name="Columbia at Priest Rapids">{{cite web